The month in detail
What to expect in August
In the height of summer, Hydra sees high temperatures (90°F). Heat is a factor for outdoor activities. Rain is virtually absent (5% of days) — ideal for planning without a backup. Not the best window, but acceptable if dates are constrained. June (9.1/10) is significantly better if possible.
August ranks 11 out of 12 months in Hydra. Compared to July: −2°F daytime, −0.5h of sun per day.
This month's conditions
What it's like in August
UV index
8 · high
sunscreen and hat advised
Feels like
muggy at times
16°
Sea
27°C
warm, ideal
Daylight
13.4h of daylight
Air quality
fair
AQI 44
Compare
Is August the right month?
The best month in Hydra is June (9.1/10), 3.1 pts higher than August.
Book
Plan your trip
Hotels at their lowest outside peak season, highest on comfortable months. Shoulder seasons offer a good price/climate compromise.
Stay
Hotels & rentals · Hydra
Expedia →
Activities
Tours, tickets, experiences
See ↓
Flights
Multi-airline comparator
Kiwi →
🎟️ Activities & tours · Hydra
GetYourGuide selection · free cancellation
Practical info
What you need to know before you go
Three angles: the country (language, currency, safety, budget), the year-round climate, and the specifics of a beach trip.
Country · Greece
🗣️LanguageGreek
💶CurrencyEuro (€)
🚗DrivingRight-hand
🛡️Safety ⓘVery safe · 1/5
💰Cost of living ⓘModerate · 3/5
🌡️ Climate
🌍Climate typeTemperate oceanic
📈Climate trend ⓘ+2.09°F/decade
🔥Hottest monthJuly · 91°F
❄️Coolest monthJanuary · 57°F
🌧️Rainiest month ⓘDecember · 19%
🏖️ Beach trip
📅Peak seasonJuin → Sept
🏖️Swell (Sept–Mar) ⓘModérée
🛂VisaSchengen · 90 days
Explore
Other destinations in August
If August doesn't convince you for this destination, compare with others.
Location
Where is Hydra ?
Global position + regional geographic context.
🌍 World
🔍 Geographic context
Temperate oceanic climate with a 9.1 → 4.4 gap between best and worst month. 10 years of ERA5 data to choose by project.
37.35°N · 23.47°E
Questions
Frequently asked questions
What is the best time to visit Hydra?
June is the best month with 86°F highs, 72°F lows, 9.7h of sunshine and 7.0% rainy days. The months of June & September offer comparable conditions.
How many hours of sunshine does Hydra get in June?
Hydra averages 9.7 sunshine hours per day in June. It is the sunniest month with a climate score of 8.8/10.
What is the rainiest month in Hydra?
January is the most unfavourable month with January has the lowest climate score of the year and the lowest climate score of the year.
What are the temperatures at night in Hydra in June?
In June, overnight lows reach 72°F, while afternoon highs average 86°F.
Is Hydra good in winter?
In winter (December-February), Hydra scores 6.1/10 on average — Acceptable conditions for cultural visits.. The best month overall remains June with a score of 8.8/10.
When should you avoid Hydra?
January is the most difficult month to visit Hydra, with January has the lowest climate score of the year. Climate conditions are at their lowest of the year during this period.
Can you swim in Hydra in August?
In August, the sea averages 80°F in Hydra: warm, ideal. Ideal conditions for swimming and snorkeling.
Do you need sun protection in Hydra in August?
The average UV index reaches 8 in August in Hydra (high), with about 13.4h of daylight. Sunscreen and hat advised.




